[3019] | 1 | <?php |
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| 2 | /** |
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| 3 | * DOMPDF - PHP5 HTML to PDF renderer |
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| 4 | * |
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| 5 | * File: $RCSfile: attribute_translator.cls.php,v $ |
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| 6 | * Created on: 2004-09-13 |
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| 7 | * |
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| 8 | * Copyright (c) 2004 - Benj Carson <benjcarson@digitaljunkies.ca> |
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| 9 | * |
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| 10 | * This library is free software; you can redistribute it and/or |
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| 11 | * modify it under the terms of the GNU Lesser General Public |
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| 12 | * License as published by the Free Software Foundation; either |
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| 13 | * version 2.1 of the License, or (at your option) any later version. |
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| 14 | * |
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| 15 | * This library is distributed in the hope that it will be useful, |
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| 16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 18 | * Lesser General Public License for more details. |
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| 19 | * |
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| 20 | * You should have received a copy of the GNU Lesser General Public License |
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| 21 | * along with this library in the file LICENSE.LGPL; if not, write to the |
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| 22 | * Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
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| 23 | * 02111-1307 USA |
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| 24 | * |
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| 25 | * Alternatively, you may distribute this software under the terms of the |
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| 26 | * PHP License, version 3.0 or later. A copy of this license should have |
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| 27 | * been distributed with this file in the file LICENSE.PHP . If this is not |
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| 28 | * the case, you can obtain a copy at http://www.php.net/license/3_0.txt. |
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| 29 | * |
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| 30 | * The latest version of DOMPDF might be available at: |
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| 31 | * http://www.digitaljunkies.ca/dompdf |
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| 32 | * |
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| 33 | * @link http://www.digitaljunkies.ca/dompdf |
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| 34 | * @copyright 2004 Benj Carson |
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| 35 | * @author Benj Carson <benjcarson@digitaljunkies.ca> |
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| 36 | * @package dompdf |
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| 37 | * @version 0.5.1 |
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| 38 | */ |
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| 39 | |
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| 40 | /* $Id: attribute_translator.cls.php 186 2009-10-19 22:42:06Z eclecticgeek@gmail.com $ */ |
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| 41 | |
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| 42 | /** |
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| 43 | * Translates HTML 4.0 attributes into CSS rules |
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| 44 | * |
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| 45 | * @access private |
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| 46 | * @package dompdf |
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| 47 | */ |
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| 48 | class Attribute_Translator { |
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| 49 | |
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| 50 | // Munged data originally from |
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| 51 | // http://www.w3.org/TR/REC-html40/index/attributes.html |
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| 52 | // |
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| 53 | // thank you var_export() :D |
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| 54 | static private $__ATTRIBUTE_LOOKUP = |
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| 55 | array (//'caption' => array ( 'align' => '', ), |
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| 56 | 'img_inner' => // img tags actually end up wrapping img_inner elements |
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| 57 | array ('align' => array('bottom' => 'vertical-align: baseline;', |
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| 58 | 'middle' => 'vertical-align: middle;', |
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| 59 | 'top' => 'vertical-align: top;', |
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| 60 | 'left' => 'float: left;', |
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| 61 | 'right' => 'float: right;'), |
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| 62 | 'border' => 'border-width: %0.2f px;', |
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| 63 | 'height' => 'height: %s;', |
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| 64 | 'hspace' => 'padding-left: %1$0.2f px; padding-right: %1$0.2f px;', |
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| 65 | 'vspace' => 'padding-top: %1$0.2f px; padding-bottom: %1$0.2f px', |
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| 66 | 'width' => 'width: %s;', |
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| 67 | ), |
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| 68 | 'table' => |
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| 69 | array ("align" => array(//'left' => '', |
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| 70 | 'center' => 'margin-left: auto; margin-right: auto;', |
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| 71 | //'right' => '' |
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| 72 | ), |
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| 73 | 'bgcolor' => 'background-color: %s;', |
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| 74 | 'border' => '!set_table_border', |
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| 75 | 'cellpadding' => '!set_table_cellpadding', |
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| 76 | 'cellspacing' => 'border-spacing: %0.2f; border-collapse: separate;', |
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| 77 | 'frame' => array('void' => 'border-style: none;', |
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| 78 | 'above' => 'border-top-style: solid;', |
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| 79 | 'below' => 'border-bottom-style: solid;', |
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| 80 | 'hsides' => 'border-left-style: solid; border-right-style: solid;', |
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| 81 | 'vsides' => 'border-top-style: solid; border-bottom-style: solid;', |
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| 82 | 'lhs' => 'border-left-style: solid;', |
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| 83 | 'rhs' => 'border-right-style: solid;', |
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| 84 | 'box' => 'border-style: solid;', |
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| 85 | 'border' => 'border-style: solid;'), |
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| 86 | 'rules' => '!set_table_rules', |
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| 87 | 'width' => 'width: %s;', |
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| 88 | ), |
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| 89 | 'hr' => |
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| 90 | array ( |
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| 91 | 'align' => '!set_hr_align', // Need to grab width to set 'left' & 'right' correctly |
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| 92 | 'noshade' => 'border-style: solid;', |
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| 93 | 'size' => 'border-width: %0.2f px;', |
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| 94 | 'width' => 'width: %s;', |
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| 95 | ), |
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| 96 | 'div' => |
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| 97 | array ( |
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| 98 | 'align' => 'text-align: %s;', |
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| 99 | ), |
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| 100 | 'h1' => |
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| 101 | array ( |
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| 102 | 'align' => 'text-align: %s;', |
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| 103 | ), |
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| 104 | 'h2' => |
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| 105 | array ( |
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| 106 | 'align' => 'text-align: %s;', |
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| 107 | ), |
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| 108 | 'h3' => |
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| 109 | array ( |
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| 110 | 'align' => 'text-align: %s;', |
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| 111 | ), |
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| 112 | 'h4' => |
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| 113 | array ( |
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| 114 | 'align' => 'text-align: %s;', |
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| 115 | ), |
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| 116 | 'h5' => |
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| 117 | array ( |
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| 118 | 'align' => 'text-align: %s;', |
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| 119 | ), |
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| 120 | 'h6' => |
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| 121 | array ( |
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| 122 | 'align' => 'text-align: %s;', |
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| 123 | ), |
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| 124 | 'p' => |
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| 125 | array ( |
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| 126 | 'align' => 'text-align: %s;', |
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| 127 | ), |
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| 128 | // 'col' => |
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| 129 | // array ( |
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| 130 | // 'align' => '', |
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| 131 | // 'valign' => '', |
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| 132 | // ), |
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| 133 | // 'colgroup' => |
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| 134 | // array ( |
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| 135 | // 'align' => '', |
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| 136 | // 'valign' => '', |
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| 137 | // ), |
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| 138 | 'tbody' => |
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| 139 | array ( |
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| 140 | 'align' => '!set_table_row_align', |
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| 141 | 'valign' => '!set_table_row_valign', |
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| 142 | ), |
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| 143 | 'td' => |
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| 144 | array ( |
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| 145 | 'align' => 'text-align: %s;', |
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| 146 | 'bgcolor' => 'background-color: %s;', |
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| 147 | 'height' => 'height: %s;', |
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| 148 | 'nowrap' => 'white-space: nowrap;', |
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| 149 | 'valign' => 'vertical-align: %s;', |
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| 150 | 'width' => 'width: %s;', |
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| 151 | ), |
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| 152 | 'tfoot' => |
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| 153 | array ( |
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| 154 | 'align' => '!set_table_row_align', |
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| 155 | 'valign' => '!set_table_row_valign', |
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| 156 | ), |
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| 157 | 'th' => |
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| 158 | array ( |
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| 159 | 'align' => 'text-align: %s;', |
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| 160 | 'bgcolor' => 'background-color: %s;', |
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| 161 | 'height' => 'height: %s;', |
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| 162 | 'nowrap' => 'white-space: nowrap;', |
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| 163 | 'valign' => 'vertical-align: %s;', |
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| 164 | 'width' => 'width: %s;', |
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| 165 | ), |
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| 166 | 'thead' => |
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| 167 | array ( |
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| 168 | 'align' => '!set_table_row_align', |
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| 169 | 'valign' => '!set_table_row_valign', |
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| 170 | ), |
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| 171 | 'tr' => |
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| 172 | array ( |
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| 173 | 'align' => '!set_table_row_align', |
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| 174 | 'bgcolor' => '!set_table_row_bgcolor', |
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| 175 | 'valign' => '!set_table_row_valign', |
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| 176 | ), |
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| 177 | 'body' => |
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| 178 | array ( |
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| 179 | 'background' => 'background-image: url(%s);', |
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| 180 | 'bgcolor' => 'background-color: %s;', |
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| 181 | 'link' => '!set_body_link', |
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| 182 | 'text' => 'color: %s;', |
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| 183 | ), |
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| 184 | 'br' => |
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| 185 | array ( |
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| 186 | 'clear' => 'clear: %s;', |
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| 187 | ), |
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| 188 | 'basefont' => |
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| 189 | array ( |
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| 190 | 'color' => 'color: %s;', |
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| 191 | 'face' => 'font-family: %s;', |
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| 192 | 'size' => '!set_basefont_size', |
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| 193 | ), |
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| 194 | 'font' => |
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| 195 | array ( |
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| 196 | 'color' => 'color: %s;', |
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| 197 | 'face' => 'font-family: %s;', |
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| 198 | 'size' => '!set_font_size', |
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| 199 | ), |
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| 200 | 'dir' => |
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| 201 | array ( |
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| 202 | 'compact' => 'margin: 0.5em 0;', |
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| 203 | ), |
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| 204 | 'dl' => |
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| 205 | array ( |
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| 206 | 'compact' => 'margin: 0.5em 0;', |
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| 207 | ), |
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| 208 | 'menu' => |
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| 209 | array ( |
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| 210 | 'compact' => 'margin: 0.5em 0;', |
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| 211 | ), |
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| 212 | 'ol' => |
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| 213 | array ( |
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| 214 | 'compact' => 'margin: 0.5em 0;', |
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| 215 | 'start' => 'counter-reset: -dompdf-default-counter %d;', |
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| 216 | 'type' => 'list-style-type: %s;', |
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| 217 | ), |
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| 218 | 'ul' => |
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| 219 | array ( |
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| 220 | 'compact' => 'margin: 0.5em 0;', |
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| 221 | 'type' => 'list-style-type: %s;', |
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| 222 | ), |
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| 223 | 'li' => |
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| 224 | array ( |
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| 225 | 'type' => 'list-style-type: %s;', |
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| 226 | 'value' => 'counter-reset: -dompdf-default-counter %d;', |
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| 227 | ), |
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| 228 | 'pre' => |
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| 229 | array ( |
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| 230 | 'width' => 'width: %s;', |
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| 231 | ), |
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| 232 | ); |
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| 233 | |
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| 234 | |
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| 235 | static protected $_last_basefont_size = 3; |
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| 236 | static protected $_font_size_lookup = array(1=>"xx-small", |
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| 237 | 2=>"x-small", |
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| 238 | 3=>"medium", |
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| 239 | 4=>"large", |
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| 240 | 5=>"x-large", |
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| 241 | 6=>"xx-large", |
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| 242 | 7=>"300%"); |
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| 243 | |
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| 244 | |
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| 245 | static function translate_attributes($frame) { |
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| 246 | $node = $frame->get_node(); |
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| 247 | $tag = $node->tagName; |
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| 248 | |
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| 249 | if ( !isset(self::$__ATTRIBUTE_LOOKUP[$tag]) ) |
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| 250 | return; |
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| 251 | |
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| 252 | $valid_attrs = self::$__ATTRIBUTE_LOOKUP[$tag]; |
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| 253 | $attrs = $node->attributes; |
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| 254 | $style = rtrim($node->getAttribute("style"), "; "); |
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| 255 | if ( $style != "" ) |
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| 256 | $style .= ";"; |
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| 257 | |
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| 258 | foreach ($attrs as $attr => $attr_node ) { |
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| 259 | if ( !isset($valid_attrs[$attr]) ) |
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| 260 | continue; |
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| 261 | |
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| 262 | $value = $attr_node->value; |
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| 263 | |
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| 264 | $target = $valid_attrs[$attr]; |
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| 265 | |
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| 266 | // Look up $value in $target, if $target is an array: |
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| 267 | if ( is_array($target) ) { |
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| 268 | |
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| 269 | if ( isset($target[$value]) ) |
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| 270 | $style .= " " . self::_resolve_target($node, $target[$value], $value); |
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| 271 | |
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| 272 | } else { |
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| 273 | // otherwise use target directly |
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| 274 | $style .= " " . self::_resolve_target($node, $target, $value); |
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| 275 | } |
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| 276 | } |
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| 277 | if ( !is_null($style) ) { |
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| 278 | $style = ltrim($style); |
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| 279 | $node->setAttribute("style", $style); |
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| 280 | } |
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| 281 | |
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| 282 | } |
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| 283 | |
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| 284 | static protected function _resolve_target($node, $target, $value) { |
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| 285 | if ( $target{0} == "!" ) { |
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| 286 | // Function call |
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| 287 | $func = "_" . mb_substr($target, 1); |
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| 288 | return self::$func($node, $value); |
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| 289 | } |
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| 290 | |
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| 291 | return $value ? sprintf($target, $value) : ""; |
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| 292 | } |
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| 293 | |
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| 294 | //..................................................................... |
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| 295 | |
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| 296 | static protected function _set_table_cellpadding($node, $value) { |
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| 297 | |
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| 298 | $td_list = $node->getElementsByTagName("td"); |
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| 299 | foreach ($td_list as $td) { |
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| 300 | $style = rtrim($td->getAttribute("style"), ";"); |
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| 301 | $style .= "; padding: $value" . "px;"; |
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| 302 | $style = ltrim($style, ";"); |
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| 303 | $td->setAttribute("style", $style); |
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| 304 | } |
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| 305 | return null; |
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| 306 | } |
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| 307 | |
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| 308 | static protected function _set_table_border($node, $value) { |
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| 309 | $td_list = $node->getElementsByTagName("td"); |
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| 310 | foreach ($td_list as $td) { |
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| 311 | $style = $td->getAttribute("style"); |
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| 312 | if ( strpos($style, "border") !== false ) |
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| 313 | continue; |
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| 314 | $style = rtrim($style, ";"); |
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| 315 | $style .= "; border-width: $value" . "px; border-style: ridge;"; |
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| 316 | $style = ltrim($style, ";"); |
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| 317 | $td->setAttribute("style", $style); |
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| 318 | } |
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| 319 | $th_list = $node->getElementsByTagName("th"); |
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| 320 | foreach ($th_list as $th) { |
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| 321 | $style = $th->getAttribute("style"); |
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| 322 | if ( strpos($style, "border") !== false ) |
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| 323 | continue; |
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| 324 | $style = rtrim($style, ";"); |
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| 325 | $style .= "; border-width: $value" . "px; border-style: ridge;"; |
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| 326 | $style = ltrim($style, ";"); |
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| 327 | $th->setAttribute("style", $style); |
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| 328 | } |
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| 329 | |
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| 330 | return null; |
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| 331 | } |
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| 332 | |
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| 333 | static protected function _set_table_cellspacing($node, $value) { |
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| 334 | $style = rtrim($td->getAttribute($style), ";"); |
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| 335 | |
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| 336 | if ( $value == 0 ) |
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| 337 | $style .= "; border-collapse: collapse;"; |
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| 338 | |
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| 339 | else |
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| 340 | $style = "; border-collapse: separate;"; |
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| 341 | |
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| 342 | return ltrim($style, ";"); |
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| 343 | } |
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| 344 | |
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| 345 | static protected function _set_table_rules($node, $value) { |
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| 346 | $new_style = "; border-collapse: collapse;"; |
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| 347 | switch ($value) { |
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| 348 | case "none": |
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| 349 | $new_style .= "border-style: none;"; |
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| 350 | break; |
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| 351 | |
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| 352 | case "groups": |
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| 353 | // FIXME: unsupported |
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| 354 | return; |
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| 355 | |
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| 356 | case "rows": |
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| 357 | $new_style .= "border-style: solid none solid none; border-width: 1px; "; |
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| 358 | break; |
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| 359 | |
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| 360 | case "cols": |
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| 361 | $new_style .= "border-style: none solid none solid; border-width: 1px; "; |
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| 362 | break; |
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| 363 | |
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| 364 | case "all": |
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| 365 | $new_style .= "border-style: solid; border-width: 1px; "; |
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| 366 | break; |
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| 367 | |
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| 368 | default: |
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| 369 | // Invalid value |
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| 370 | return null; |
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| 371 | } |
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| 372 | |
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| 373 | $td_list = $node->getElementsByTagName("td"); |
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| 374 | |
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| 375 | foreach ($td_list as $td) { |
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| 376 | $style = $td->getAttribute("style"); |
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| 377 | $style .= $new_style; |
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| 378 | $td->setAttribute("style", $style); |
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| 379 | } |
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| 380 | return null; |
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| 381 | } |
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| 382 | |
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| 383 | static protected function _set_hr_align($node, $value) { |
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| 384 | |
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| 385 | $style = rtrim($node->getAttribute("style"),";"); |
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| 386 | $width = $node->getAttribute("width"); |
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| 387 | if ( $width == "" ) |
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| 388 | $width = "100%"; |
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| 389 | |
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| 390 | $remainder = 100 - (double)rtrim($width, "% "); |
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| 391 | |
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| 392 | switch ($value) { |
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| 393 | case "left": |
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| 394 | $style .= "; margin-right: $remainder %;"; |
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| 395 | break; |
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| 396 | |
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| 397 | case "right": |
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| 398 | $style .= "; margin-left: $remainder %;"; |
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| 399 | break; |
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| 400 | |
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| 401 | case "center": |
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| 402 | $style .= "; margin-left: auto; margin-right: auto;"; |
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| 403 | break; |
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| 404 | |
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| 405 | default: |
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| 406 | return null; |
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| 407 | } |
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| 408 | return ltrim($style, "; "); |
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| 409 | |
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| 410 | } |
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| 411 | |
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| 412 | static protected function _set_table_row_align($node, $value) { |
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| 413 | |
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| 414 | $td_list = $node->getElementsByTagName("td"); |
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| 415 | |
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| 416 | foreach ($td_list as $td) { |
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| 417 | $style = rtrim($td->getAttribute("style"), ";"); |
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| 418 | $style .= "; text-align: $value;"; |
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| 419 | $style = ltrim($style, "; "); |
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| 420 | $td->setAttribute("style", $style); |
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| 421 | } |
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| 422 | |
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| 423 | return null; |
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| 424 | } |
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| 425 | |
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| 426 | static protected function _set_table_row_valign($node, $value) { |
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| 427 | |
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| 428 | $td_list = $node->getElementsByTagName("td"); |
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| 429 | |
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| 430 | foreach ($td_list as $td) { |
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| 431 | $style = rtrim($td->getAttribute("style"), ";"); |
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| 432 | $style .= "; vertical-align: $value;"; |
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| 433 | $style = ltrim($style, "; "); |
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| 434 | $td->setAttribute("style", $style); |
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| 435 | } |
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| 436 | |
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| 437 | return null; |
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| 438 | } |
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| 439 | |
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| 440 | static protected function _set_table_row_bgcolor($node, $value) { |
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| 441 | |
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| 442 | $td_list = $node->getElementsByTagName("td"); |
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| 443 | |
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| 444 | foreach ($td_list as $td) { |
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| 445 | $style = rtrim($td->getAttribute("style"), ";"); |
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| 446 | $style .= "; background-color: $value;"; |
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| 447 | $style = ltrim($style, "; "); |
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| 448 | $td->setAttribute("style", $style); |
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| 449 | } |
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| 450 | |
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| 451 | return null; |
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| 452 | } |
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| 453 | |
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| 454 | static protected function _set_body_link($node, $value) { |
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| 455 | |
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| 456 | $a_list = $node->getElementsByTagName("a"); |
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| 457 | |
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| 458 | foreach ($a_list as $a) { |
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| 459 | $style = rtrim($a->getAttribute("style"), ";"); |
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| 460 | $style .= "; color: $value;"; |
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| 461 | $style = ltrim($style, "; "); |
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| 462 | $a->setAttribute("style", $style); |
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| 463 | } |
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| 464 | |
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| 465 | return null; |
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| 466 | } |
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| 467 | |
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| 468 | static protected function _set_basefont_size($node, $value) { |
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| 469 | // FIXME: ? we don't actually set the font size of anything here, just |
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| 470 | // the base size for later modification by <font> tags. |
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| 471 | self::$_last_basefont_size = $value; |
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| 472 | return null; |
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| 473 | } |
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| 474 | |
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| 475 | static protected function _set_font_size($node, $value) { |
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| 476 | $style = $node->getAttribute("style"); |
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| 477 | |
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| 478 | if ( $value{0} == "-" || $value{0} == "+" ) |
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| 479 | $value = self::$_last_basefont_size + (int)$value; |
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| 480 | |
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| 481 | if ( isset(self::$_font_size_lookup[$value]) ) |
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| 482 | $style .= "; font-size: " . self::$_font_size_lookup[$value] . ";"; |
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| 483 | else |
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| 484 | $style .= "; font-size: $value;"; |
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| 485 | |
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| 486 | return ltrim($style, "; "); |
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| 487 | |
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| 488 | } |
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| 489 | |
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| 490 | } |
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| 491 | |
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| 492 | ?> |
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